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Note 10 - Derivative Instruments and Hedging Activities - Effect of Derivative and Hedging Activity, on Consolidated Statements of Income (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands		3 Months Ended
	Jul. 26, 2022	Mar. 31, 2023	Mar. 31, 2022
Derivative expense	$ (72,000)
Interest and Fees on Loans [Member]
Derivative expense		$ (20)	$ 76
Designated as Hedging Instrument [Member] | Interest and Fees on Loans [Member]
Derivative expense		(20)	25
Not Designated as Hedging Instrument [Member] | Interest and Fees on Loans [Member]
Derivative expense		$ 0	$ 51

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

+ Details

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Period Type:	duration

X

- Details

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X

- Details

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X

- Details

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- Details

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